Asteroid Spin, Superpuff Mysteries & Martian Groundwater Revelations

Sponsor Link : This episode of Space Nuts is brought to with the support of Incogni . Reduce the volume of spam calls and emails. Lower the risk of identity theft. Make your personal details harder to find online. Gain peace of mind by visiting for 60% off! Asteroid Spins, Superpuff Planets, and Martian Groundwater Discoveries In this exciting episode of Space Nuts , hosts Andrew Dunkley and Professor Fred Watson delve into a trio of captivating astronomical topics. From the peculiarities of a rapidly spinning asteroid to the mysteries surrounding superpuff planets, and groundbreaking revelations about Martian groundwater, this episode is a treasure trove of cosmic insights. Episode Highlights: - Spun Out Asteroid: Andrew and Fred discuss the intriguing asteroid 2025 MN45, which spins at an astonishing rate of 1 minute and 54 seconds per rotation. They explore the implications of such rapid rotation on its structure and what it might reveal about its composition. - Superpuff Planet Kepler 51D: The hosts examine the latest findings on Kepler 51D, a planet with an unusually low density that has been compared to cotton candy. They discuss the challenges astronomers face in understanding its hazy atmosphere and the ongoing research aimed at uncovering its secrets. - Martian Groundwater Insights: A major highlight of the episode is the discussion about new research suggesting the existence of a planet-wide groundwater system on Mars. Andrew and Fred analyze the geological evidence that indicates a historical hydrological network, shedding light on Mars's wet past and its potential for supporting life. For more Space Nuts, including our continuously updating newsfeed and to listen to all our episodes, visit our website.

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Asteroid Spin, Superpuff Mysteries & Martian Groundwater Revelations is an episode from Space Nuts by Professor Fred Watson and Andrew Dunkley.

This episode is 31:57 long.

This episode was published on Mar 27, 2026.

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